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Transcription and Regulation

Transcription and Regulation
Transcription factors are

promoters
TATA boxes
proteins which bind to DNA and regulate transcription
CATT boxes

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Transcription and Regulation
The binding of lac repressor to DNA could be considered to be analogous to

uncompetitive inhibition of an enzyme
mixed-type inhibition of an enzyme
competitive inhibition of an enzyme
allosteric effects in enzyme regulation

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Transcription and Regulation
In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as

Shine Dalgarno region
SV40 region
CATT
TATA box

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Transcription and Regulation
RNA polymerase in prokaryotes has a removable

both (a) and (b)
sigma subunit
beta subunit
alpha subunit

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Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

RNA polymerase II
RNA polymerase III
none of these
RNA polymerase I

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

recognition of the -10 sequence only
recognition of the -10 sequence and -35 sequence
recognition of the -35 sequence only
None of these

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